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1.
Southeast Asian J Trop Med Public Health ; 2000 ; 31 Suppl 1(): 143-5
Artigo em Inglês | IMSEAR | ID: sea-35886

RESUMO

Seroprevalence of antibodies to human T-lymphotropic virus type-1 (HTLV-1) was surveyed among the Thai population by the particle agglutination test and Western blotting test. None of a total of 727 individuals from seven ethnic groups were positive for the specific antibody to HTLV-1. Among hospital based 3,427 subjects in Southern Thailand, one patient with a brain tumor showed positivity in the Western blotting test, however, HTLV-1 proviral genome was not identified by PCR. The present data suggest that HTLV-1 is not endemic in the Thai population and that HTLV-1 is not a major public health problem in Thailand because HTLV-1 rarely causes its associated diseases.


Assuntos
Anticorpos Antivirais/isolamento & purificação , Deltaretrovirus/genética , Etnicidade , Feminino , Humanos , Masculino , Reação em Cadeia da Polimerase , Estudos Soroepidemiológicos , Tailândia
2.
Southeast Asian J Trop Med Public Health ; 1985 Jun; 16(2): 234-9
Artigo em Inglês | IMSEAR | ID: sea-36105

RESUMO

Antibodies to O. viverrini in the sera of people from endemic and non-endemic areas were investigated using indirect ELISA technique. For the patients from the endemic area, 92.8% who passed eggs in the stool were found to be positive for O. viverrini antibody. In addition, 46.5% of the people who did not pass eggs in the stool were also found to have low titer of O. viverrini antibody. On the other hand only 2.4% of the people from the non-endemic area with other intestinal parasite infections were found to have O. viverrini antibody in their sera. It was concluded that positive reaction of O. viverrini antibody is not cause by cross-reaction with other parasites but low liter of antibody is probably due to low-level or past infection. There is a positive correlation between the titer of O. viverrini antibody and intensity of infection as indicated by number of eggs excreted per milligram of feces. Patients with a few O. viverrini eggs in feces, but biopsy-proved-cholangiocarcinoma had very high titer of antibody.


Assuntos
Adolescente , Adulto , Idoso , Colestase/complicações , Ensaio de Imunoadsorção Enzimática , Fezes/parasitologia , Humanos , Pessoa de Meia-Idade , Opistorquíase/complicações , Opisthorchis/imunologia
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